'Lukewarmness' definitions:

Definition of 'lukewarmness'

noun

A warmness resembling the temperature of the skin [syn: lukewarmness, tepidity, tepidness]

noun

Lack of passion, force or animation [syn: tepidness, lukewarmness]

From: GCIDE

Lukewarm \Luke"warm`\ (l[=u]k"w[add]rm`), a. [See Luke.]
1. Moderately warm; neither cold nor hot; tepid. [1913 Webster]
2. Not ardent; not zealous; cool; indifferent. " Lukewarm blood." --Spenser. " Lukewarm patriots." --Addison. [1913 Webster]
An obedience so lukewarm and languishing that it merits not the name of passion. --Dryden. -- {Luke"warm`ly}, adv. -- {Luke"warm`ness}, n. [1913 Webster]